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1. Hardware compression: both capturing video signal and compressing video signal are done by DSP chipset integrated on DVR board. It doesn't need the computer' ... See More
HD is a type of megapixel camera. All HD cameras are megapixel but not all megapixel cameras are HD. While standard definition cameras (e.g., analog cameras and 4CIF ... See More
One could consider HD a subset of megapixel. HD is defined by specific resolutions at specific frame rates with a specific aspect ratio. Any camera with a resolution of m ... See More
P is short for progressive scan and I stands for an Interlaced scan. Basically, the difference between these two formats is how they’re displayed on your screen. In an in ... See More